Data Analysis MCQs with answers Page - 8

Here, you will find a collection of MCQ questions on Data Analysis. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Which of the following best describes categorical data?

  • (A) Data that can be measured
  • (B) Data represented by labels
  • (C) Data with decimal values
  • (D) Data in time-series format

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Q. Which metric is used to measure how skewed a dataset is?

  • (A) Variance
  • (B) Skewness
  • (C) Kurtosis
  • (D) Standard deviation

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Q. Which statement about kurtosis is true?

  • (A) It measures the average value of data
  • (B) It shows how peaked or flat the distribution is
  • (C) It replaces missing values
  • (D) It detects correlation

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Q. What is the purpose of cross-validation?

  • (A) To visualize data
  • (B) To clean and transform data
  • (C) To evaluate model performance
  • (D) To create synthetic data

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Q. Which of the following is a classification algorithm?

  • (A) Linear Regression
  • (B) Logistic Regression
  • (C) PCA
  • (D) K-Means

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Q. Which concept involves grouping similar data without predefined labels?

  • (A) Classification
  • (B) Regression
  • (C) Clustering
  • (D) Association

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Q. Which operation helps you understand if two variables move together?

  • (A) Covariance
  • (B) Standard deviation
  • (C) Mean
  • (D) Skewness

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Q. Which command in Python Pandas reads a CSV file?

  • (A) pandas.load()
  • (B) pandas.readfile()
  • (C) pandas.read_csv()
  • (D) pandas.open()

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